Pith Number

pith:T572GSWH

pith:2017:T572GSWHFRCQ35PBALNKGJZ2OE

not attested not anchored not stored refs pending

Comparing Topology of Engineered and Natural Drainage Networks

Christian Urich, Elisabeth Kruger, Gavan McGrath, Kyungrock Paik, Praveen Kumar, P. Suresh C. Rao, Soohyun Yang

arxiv:1707.04911 v1 · 2017-07-16 · physics.geo-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T572GSWHFRCQ35PBALNKGJZ2OE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:27:27.996744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7fa34ac72c450df5e102daa3273a711c60616b295977813cf52bc470186916

Aliases

arxiv: 1707.04911 · arxiv_version: 1707.04911v1 · doi: 10.48550/arxiv.1707.04911 · pith_short_12: T572GSWHFRCQ · pith_short_16: T572GSWHFRCQ35PB · pith_short_8: T572GSWH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T572GSWHFRCQ35PBALNKGJZ2OE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f7fa34ac72c450df5e102daa3273a711c60616b295977813cf52bc470186916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde83d8131973abc9d2dd113c09e4546828a81aea353f348ec9bfb6c53f19c35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2017-07-16T16:56:44Z",
    "title_canon_sha256": "4f599bd96a8cd3ce26f2735979e9c05b0b56ffd9b25a3724f22958f92ebccb10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04911",
    "kind": "arxiv",
    "version": 1
  }
}